CVE-2017-6520 Denial of service in n/a
Remote attackers can cause denial of service via traffic amplification or obtain sensitive information from Bose SoundTouch speakers through mDNS responder flaws.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2017-6520?
CVE-2017-6520 is a critical denial of service vulnerability in n/a, published on 1 May 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Multicast DNS (mDNS) responder used in BOSE Soundtouch 30 inadvertently responds to IPv4 unicast queries with source addresses that are not link-local, which allows remote attackers to cause a denial of service (traffic amplification) or obtain potentially sensitive information via port-5353 UDP packets.
Weakness: CWE-417
Which versions are affected by CVE-2017-6520?
It affects 1 product.
Products include Bose Soundtouch 30.
How do I fix CVE-2017-6520?
No fix has been published for CVE-2017-6520 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2017-6520 being exploited?
There is no known exploitation of CVE-2017-6520 in the wild and no public exploit code.
Sources
Also known as GHSA-2vcg-w879-pf3h.